Friday, 19 April 2013

Live Small Mammal Trapping and Land Management Options for the College Estate

Higher Education students have been helping to gather some baseline data in a study that seeks to determine the habitat value of new agri-environmental land management options for small mammals. The farm is currently signed up to Entry Level Stewardship – a five year European funded scheme governed by Natural England that encourages land owners to manage their land to meet conservation objectives for farmland birds, soil and water protection and other wildlife.
One option that delivers the most for wildlife is the wild bird seed mixture. This can be established as an annual or biennial mixture and can help to provide food for farmland birds in late winter during the so called ‘hungry gap’. Yet what is not so clear  is how these mixtures will benefit other animal groups.
Allied to some work on one of Britain’s smallest non-volant mammals – the harvest mouse – FdSc Countryside & Wildlife Management students have recently set out some trap lines in a mystery location on the estate to attempt to estimate presence and potentially population sizes of harvest mice. Modified Longworth and Wellfield live capture traps have been set at 20 metre intervals along transects and these will be checked every day by the students. Any captured animals will be marked as part of a ‘capture-mark-recapture’ method to elucidate population sizes and home ranges. This information will give us an insight as to whether the bird seed mix option delivers benefit to other important groups at the base of the farmland food web.
 Check back to the blog next week to see what we find!

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